	//js本地图片预览，兼容ie[6-9]、火狐、Chrome17+、Opera11+、Maxthon3、360浏览器
	function PreviewImage(fileObj, imgPreviewId, divPreviewId) {

		var allowExtention = ".jpg,.bmp,.gif,.png,.webp,.WEBP";//允许上传文件的后缀名document.getElementById("hfAllowPicSuffix").value;
		var extention = fileObj.value.substring(
				fileObj.value.lastIndexOf(".") + 1).toLowerCase();
		var browserVersion = window.navigator.userAgent.toUpperCase();
		if (allowExtention.indexOf(extention) > -1) {
			if (fileObj.files) {//兼容chrome、火狐7+、360浏览器5.5+等，应该也兼容ie10，HTML5实现预览
				if (window.FileReader) {
					var reader = new FileReader();
					reader.onload = function(e) {
						document.getElementById(imgPreviewId).setAttribute(
								"src", e.target.result);
					}
					reader.readAsDataURL(fileObj.files[0]);
				} else if (browserVersion.indexOf("SAFARI") > -1) {
					alert("不支持Safari浏览器6.0以下版本的图片预览!");
				}
			} else if (browserVersion.indexOf("MSIE") > -1) {//ie、360低版本预览
				if (browserVersion.indexOf("MSIE 6") > -1) {//ie6
					document.getElementById(imgPreviewId).setAttribute("src",
							fileObj.value);
				} else {//ie[7-9]
					fileObj.select();
					if (browserVersion.indexOf("MSIE 9") > -1)
						fileObj.blur();//不加上document.selection.createRange().text在ie9会拒绝访问
					var newPreview = document.getElementById(divPreviewId
							+ "New");
					if (newPreview == null) {
						newPreview = document.createElement("div");
						newPreview.setAttribute("id", divPreviewId + "New");
						newPreview.style.width = document
								.getElementById(imgPreviewId).width
								+ "px";
						newPreview.style.height = document
								.getElementById(imgPreviewId).height
								+ "px";
						newPreview.style.border = "solid 1px #d2e2e2";
					}
					newPreview.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod='scale',src='"
							+ document.selection.createRange().text + "')";
					var tempDivPreview = document.getElementById(divPreviewId);
					tempDivPreview.parentNode.insertBefore(newPreview,
							tempDivPreview);
					tempDivPreview.style.display = "none";
				}
			} else if (browserVersion.indexOf("FIREFOX") > -1) {//firefox
				var firefoxVersion = parseFloat(browserVersion.toLowerCase()
						.match(/firefox\/([\d.]+)/)[1]);
				if (firefoxVersion < 7) {//firefox7以下版本
					document.getElementById(imgPreviewId).setAttribute("src",
							fileObj.files[0].getAsDataURL());
				} else {//firefox7.0+                    
					document.getElementById(imgPreviewId).setAttribute("src",
							window.URL.createObjectURL(fileObj.files[0]));
				}
			} else {
				document.getElementById(imgPreviewId).setAttribute("src",
						fileObj.value);
			}
		} else {
			alert("仅支持" + allowExtention + "为后缀名的文件!");
			fileObj.value = "";//清空选中文件
			if (browserVersion.indexOf("MSIE") > -1) {
				fileObj.select();
				document.selection.clear();
			}
			fileObj.outerHTML = fileObj.outerHTML;
		}
	}